Wall anchor



FIG. 1 is a top plan view of a wall anchor according to my design;

FIG. 2 is a front elevational view, the rear being identical;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a sectional view taken in the direction of the arrows on line 5--5 of FIG. 3; and

FIG. 6 is a sectional view taken on line 6--6 of FIG. 3. 

The ornamental design for a wall anchor, substantially as shown and described. 